Change = Original amount - cost of rubber shoes - cost of jogging pants
Cost of rubber shoes = 3,000x(1-%discount) =3000x(1-15%)
=3000x85%
=3000x0.85
=2550
Cost of jogging pants = 1200x(1-%discount) = 1200x(1-40%)
= 1200x60%
= 1200x0.6
= 720
Change = 14,000 - 2,550 - 720
Change = P10,730
The change is more than enough to buy a P500 t-shirt.